CHALLENGE

ACTIVITY

$4\mathrm{.}3\mathrm{.}2$: Bidding example.

Write an expression that continues to bid until the $\text{'}$n$\text{'}.$

Sample output with inputs: $\text{'}$y$\text{'}\text{'}$y$\text{'}\text{'}$n$\text{'}$

I'll bid $$7!$

Continue bidding? I'll bid $$15!$

Continue bidding? I'll bid $$23!$

Continue bidding?